document.write( "Question 815696: a crow left Valley College at 2:00 pm and flew straight east at 21 miles per hour. another crow left Valley College at 3:oo pm and flew straight north at 24 miles per hour. how far apart (as the crow flies) are they at 6:00 pm (to the nearest tenth of a mile) \n" ); document.write( "
Algebra.Com's Answer #491165 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! s = d / t \n" ); document.write( "d = s * t \n" ); document.write( "--- \n" ); document.write( "east crow at 6 pm: \n" ); document.write( "t = 6 - 2 = 4 hours \n" ); document.write( "d = 21 * 4 = 84 miles \n" ); document.write( "--- \n" ); document.write( "north crow at 6 pm: \n" ); document.write( "t = 6 - 3 = 3 hours \n" ); document.write( "d = 24 * 3 = 72 miles \n" ); document.write( "--- \n" ); document.write( "distance between crows at 6 pm: \n" ); document.write( "use pythagorean thm: \n" ); document.write( "h = sqrt( aa + bb ) \n" ); document.write( "h = sqrt( 84^2 + 72^2 ) \n" ); document.write( "h = sqrt( 7056 + 5184 ) \n" ); document.write( "h = sqrt( 12240 ) \n" ); document.write( "--- \n" ); document.write( "h = 110.6 miles \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |